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Home > Products > Integrated Circuits (ICs) > Interface > Specialized

NXP Semiconductors TDA19977BHV/15/C1'

Name: TDA19977BHV/15/C1'
Brand: NXP Semiconductors
SKU: TDA19977BHV/15/C1'
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TDA19977BHV/15/C1'

Manufacturer:: NXP Semiconductors

Category:: Specialized

Package:: 144-LQFP Exposed Pad

Datasheet:: TDA19977BHV/15/C1'.pdf

Description:: IC INTFACE SPECIALIZED 144HLQFP

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Product details

Overview

TDA19977BHV/15/C1 from NXP Semiconductors is a triple-input HDMI 1.3a-compliant receiver IC with embedded auto-adaptive equalizer, EDID memory, and support for up to 235 MHz pixel clock (1080p60), 12-bit Deep Color, and YCbCr/RGB 4:4:4 or 4:2:2 output formats. It operates on dual supplies (1.8 V core / 3.3 V I/O), delivers LV-TTL video/audio outputs, and targets HDMI signal conditioning in high-end AV receivers and projector systems.

For engineers reviewing the TDA19977BHV/15/C1 datasheet, TDA19977BHV/15/C1 pinout, TDA19977BHV/15/C1 application, or TDA19977BHV/15/C1 equivalent, key selection criteria include HDMI input count (3), maximum supported resolution (1920×1080p60), Deep Color bit depth (12-bit), equalizer capability (up to 25 m cable), and audio interface flexibility (I2S/S/PDIF/HBR/DSD).

Technical Context

The TDA19977BHV/15/C1 implements three independent HDMI receiver channels with fully automatic adaptive equalization per link, enabling robust reception over long cables without manual tuning. Its internal timing measurement engine performs sync period analysis using an external 27 MHz crystal reference to distinguish PC and TV formats with sub-pixel accuracy.

It integrates dedicated hardware blocks for HDCP-agnostic packet extraction (InfoFrames, color gamut metadata), Deep Color unpacking, derepeating, upsampling (YCbCr 4:2:2 → 4:4:4), and programmable 4:2:2 downsampling filters compliant with ITU-R BT.601 - all configurable via I²C-bus without host CPU intervention.

Key Specifications

Parameter	Value and Actual Design Meaning
HDMI Inputs	Three independent HDMI 1.3a-compliant inputs (A/B/C); each supports up to 235 MHz TMDS clock (1080p60)
Equalizer	Auto-adaptive per-link equalizer; enables lab-tested operation up to 25 m with 0.5 mm (24 AWG) cable
Video Output	LV-TTL parallel bus: VP[29:0] supporting RGB 4:4:4, YCbCr 4:4:4, or YCbCr 4:2:2 semi-planar/BT.656
Color Depth	8/10/12-bit per component; 12-bit Deep Color supported at 1920×1080p60 and WUXGA 60 Hz reduced blanking
Audio Outputs	Up to eight channels via four S/PDIF or I²S ports (AP0–AP5); HBR support up to 768 kHz (Dolby TrueHD/DTS-HD MA)
Power Supplies	Separate 1.8 V (core/VDDC/VDDH(1V8)) and 3.3 V (I/O/VDDH(3V3)/VDDO(3V3)/VDDI(3V3)) rails; CMOS process
Interface Control	I²C-bus slave (400 kbit/s, 5 V tolerant); address set by A0 pin; DDC-bus (HSCLA/B/C + HSDAA/B/C) integrated per HDMI input

Pinout & Package

Package: HLQFP144 (plastic thermal enhanced low-profile quad flat package; 20 × 20 × 1.4 mm; exposed die pad connected to VSSC).

Pin/Terminal	Circuit Role	Design Meaning
PD (Pin 2)	Power-down control	Active-HIGH digital input; selects among three power-down levels (full shutdown, EDID+I²C active, or EDID+I²C+activity detection)
RXAC+/−, RXBC+/−, RXCC+/− (Pins 115/116, 112/113, 8/7 etc.)	HDMI differential data/clock inputs	Three full HDMI links (A/B/C), each with three TMDS data pairs + one clock pair; 5 V tolerant DDC-bus pins (HSCLA/B/C, HSDAA/B/C) per link
VP[29:0] (Pins 36–76, 75–76, 138–139 truncated)	Parallel video output bus	29-bit LV-TTL output port configurable for RGB/YCbCr 4:4:4 (VP[29:0]) or 4:2:2 (VP[9:0]); timing controlled via VCLK/HS/HREF/VS/CS
AP0–AP5, ACLK, SYSCLK/AP5 (Pins 79–85)	Audio interface outputs	Configurable audio ports supporting I²S, S/PDIF, OBA, DST, or HBR demux; SYSCLK = 128/256/512 × fs for PLL-less DACs (e.g., UDA1334BTS)
VDDH(3V3)/VDDH(1V8)/VDDC(1V8)/VDDO(3V3)/VDDI(3V3) (Multiple pins)	Supply domains	Dedicated rails isolate HDMI receiver (3.3 V/1.8 V), core logic (1.8 V), video outputs (3.3 V), and digital inputs (3.3 V)

Key Features

Feature	Design Value
Triple HDMI Input Architecture	Enables seamless source switching in AV receivers and HDMI splitters without external multiplexers or FPGA glue logic
Auto-Adaptive Equalization	Eliminates manual EQ tuning; maintains signal integrity across variable cable lengths and quality in production environments
Deep Color Unpacking (12-bit)	Hardware-accelerated reconstruction of fragmented pixel groups at native pixel rate - no host CPU overhead
Programmable 4:2:2 Downsampling Filters	Four selectable filter types (including ITU-R BT.601-compliant) allow precise chroma subsampling control for broadcast-grade video processing
Integrated Timing Measurement Engine	Measures horizontal/vertical sync periods with ±1 MCLK (27 MHz) accuracy - enables reliable PC/TV format auto-detection without firmware heuristics
LV-TTL Video Port with Configurable Mapping	VP[29:0] pin assignment programmable via I²C to align with downstream video processors (e.g., Nexperia SoCs), reducing PCB routing complexity

Applications

Home Theater AV Receiver	HDMI Splitter / Matrix Switch
Use Scenario: Aggregating HDMI sources (Blu-ray, game console, streaming box) into a single high-fidelity audio/video processing path. IC Role / Device Role / Timing Role: HDMI receiver front-end converting encrypted/unencrypted streams into parallel RGB/YCbCr for downstream video scaling and audio decoding. Use Value: Triple-input capability eliminates need for external HDMI switches; built-in EDID memory and activity detection enable automatic source selection and plug-and-play operation.	Use Scenario: Distributing one HDMI source to multiple displays (projector, TV, monitor) while preserving HDCP compliance and resolution fidelity. IC Role / Device Role / Timing Role: Signal conditioning and re-timing node that regenerates clean parallel video/audio outputs for fan-out to multiple encoders or display controllers. Use Value: Auto-adaptive equalizer ensures stable reception even with mixed cable lengths; LV-TTL outputs interface directly with common video serializer ICs.
High-End Projector System	Professional LCD/Plasma Display Controller
Use Scenario: Driving high-resolution fixed-installation projectors requiring precise timing, Deep Color support, and minimal latency. IC Role / Device Role / Timing Role: Format-aware receiver generating synchronized VP[29:0], VCLK, HS, VS, and DE signals aligned to ITU-R BT.601/BT.656 standards. Use Value: Sync timing measurement and programmable tsu(Q)/th(Q) enable pixel-perfect alignment with projector timing engines - critical for zero-frame-jitter projection.	Use Scenario: Embedded controller board in commercial signage or medical displays needing robust HDMI ingestion and flexible video output mapping. IC Role / Device Role / Timing Role: Video digitizer converting HDMI streams into parallel digital video for FPGA or ASIC-based image processing pipelines. Use Value: Configurable VP[29:0] pin assignment and 4:2:2 formatter modes simplify integration with custom video back-ends; power-down modes reduce system standby consumption.

Home Theater AV Receiver

HDMI Splitter / Matrix Switch

Use Scenario: Aggregating HDMI sources (Blu-ray, game console, streaming box) into a single high-fidelity audio/video processing path.

IC Role / Device Role / Timing Role: HDMI receiver front-end converting encrypted/unencrypted streams into parallel RGB/YCbCr for downstream video scaling and audio decoding.

Use Value: Triple-input capability eliminates need for external HDMI switches; built-in EDID memory and activity detection enable automatic source selection and plug-and-play operation.

Use Scenario: Distributing one HDMI source to multiple displays (projector, TV, monitor) while preserving HDCP compliance and resolution fidelity.

IC Role / Device Role / Timing Role: Signal conditioning and re-timing node that regenerates clean parallel video/audio outputs for fan-out to multiple encoders or display controllers.

Use Value: Auto-adaptive equalizer ensures stable reception even with mixed cable lengths; LV-TTL outputs interface directly with common video serializer ICs.

High-End Projector System

Professional LCD/Plasma Display Controller

Use Scenario: Driving high-resolution fixed-installation projectors requiring precise timing, Deep Color support, and minimal latency.

IC Role / Device Role / Timing Role: Format-aware receiver generating synchronized VP[29:0], VCLK, HS, VS, and DE signals aligned to ITU-R BT.601/BT.656 standards.

Use Value: Sync timing measurement and programmable tsu(Q)/th(Q) enable pixel-perfect alignment with projector timing engines - critical for zero-frame-jitter projection.

Use Scenario: Embedded controller board in commercial signage or medical displays needing robust HDMI ingestion and flexible video output mapping.

IC Role / Device Role / Timing Role: Video digitizer converting HDMI streams into parallel digital video for FPGA or ASIC-based image processing pipelines.

Use Value: Configurable VP[29:0] pin assignment and 4:2:2 formatter modes simplify integration with custom video back-ends; power-down modes reduce system standby consumption.

Equivalent & Alternatives

The following parts are listed as comparable options for similar HDMI receiver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
Silicon Image SiI9134	Single HDMI input; supports HDMI 1.3 but lacks triple-input architecture and auto-adaptive equalizer	Suitable for cost-sensitive single-source designs; not viable for multi-input AV receivers or splitters	Select when only one HDMI source is required and cable length ≤ 10 m; lower BOM cost but requires external EQ for longer runs
NXP TDA19988	Successor device with HDMI 1.4a support, CEC, and improved HDCP 2.2 (TDA19988A); same HLQFP144 package	Targeted at next-gen designs requiring 4K@30Hz, 3D, or Ethernet channel; backward-compatible pinout but different register map	Choose for new designs needing higher bandwidth or future-proofing; TDA19977BHV/15/C1 remains optimal for mature 1080p60 systems with strict legacy compatibility

Compared with SiI9134, TDA19977BHV/15/C1 provides triple-input flexibility and lab-validated 25 m cable drive - essential for professional AV routing. Against TDA19988, it offers proven stability in volume production for HDMI 1.3a ecosystems without requiring firmware migration or layout changes.

Availability

TDA19977BHV/15/C1 is available at Aetrix Electronics and suitable for home theater amplifiers, HDMI splitters, high-end projectors, and professional display controllers requiring stable component supply and long-term industrial availability.

Supply support for TDA19977BHV/15/C1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and consumer applications, with deep expertise in audio/video interface IP and mixed-signal processing.

The TDA19977BHV/15/C1 belongs to NXP's Nexperia HDMI receiver family, engineered specifically for high-fidelity, multi-source AV equipment where signal integrity, format flexibility, and production robustness are critical.

FAQ

Does TDA19977BHV/15/C1 support HDCP decryption?

No, TDA19977BHV/15/C1 does not support HDCP decryption. That function is exclusive to the TDA19977A variant. The TDA19977BHV/15/C1 processes HDMI streams without HDCP key handling - making it suitable for non-repeater applications where content protection is managed upstream or not required. All other features (equalizer, EDID, Deep Color, audio formatting) are identical between A and B versions.

What is the maximum supported HDMI pixel clock frequency for TDA19977BHV/15/C1?

The TDA19977BHV/15/C1 supports a maximum HDMI pixel clock frequency of 235 MHz, enabling full 1080p60 (1920×1080 progressive at 60 Hz) and UXGA (1600×1200p60) resolutions. This is confirmed in the Quick Reference Data table (fclk(max) = 235 MHz for RXx inputs) and applies to all three HDMI inputs (A/B/C) independently.

Can TDA19977BHV/15/C1 output YCbCr 4:2:2 video in ITU-R BT.656 format?

Yes, TDA19977BHV/15/C1 supports YCbCr 4:2:2 output in both semi-planar format (ITU-R BT.601) and interleaved format (ITU-R BT.656). The mode is selected via I²C-bus registers. In BT.656 mode, the formatter outputs Cb-Y-Cr-Y on VP[9:0] with SAV/EAV timing codes generated by the VHREF timing generator - matching broadcast infrastructure requirements.

How many audio channels can TDA19977BHV/15/C1 deliver simultaneously?

TDA19977BHV/15/C1 supports up to eight audio channels via its configurable audio ports (AP0–AP5). In I²S or S/PDIF mode, it delivers eight channels at sampling rates up to 192 kHz. For HBR audio (e.g., Dolby TrueHD), it demultiplexes streams across four S/PDIF or I²S outputs - maintaining full eight-channel capability at frame rates up to 768 kHz.

Is an external crystal required for TDA19977BHV/15/C1 operation?

No, TDA19977BHV/15/C1 includes an embedded oscillator and can operate without an external crystal. However, an external 27 MHz crystal may be connected to XTALIN/MCLK (Pin 94) and XTALOUT (Pin 93) to improve timing accuracy for sync measurement and format recognition - especially critical in PC-format detection and high-precision video timing applications.

TDA19977BHV/15/C1' Specifications

Product attributes: Attribute value

Manufacturer:: NXP Semiconductors

Series:: -

Package/Case:: 144-LQFP Exposed Pad

Packaging:: Tray

Product Status:: Obsolete

Applications:: HDTV

Interface:: HDMI

Voltage - Supply:: 1.8V, 3.3V

Supplier Device Package:: 144-HLQFP (20x20)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

TDA19977BHV/15/C1' FAQ

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6.How does Aetrix verify that TDA19977BHV/15/C1' is sourced from the original manufacturer or authorized distributors?

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7.What is the process for return or replacement of TDA19977BHV/15/C1'?

All TDA19977BHV/15/C1' units undergo pre-shipment inspection (PSI). If there is an issue with TDA19977BHV/15/C1', returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The TDA19977BHV/15/C1' part is unused and in its original packaging.

Return procedure for TDA19977BHV/15/C1':

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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